Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “Vary” for attribute “http-equiv” on element “meta”.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Attribute “contextmenu” not allowed on element “div” at this point.
Attribute “type” not allowed on element “menu” at this point.
Element “menuitem” not allowed as child of element “menu” in this context. (Suppressing further errors from this subtree.)
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Element “input” is missing required attribute “alt”.
Duplicate ID “wrap”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “myTab”.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Warnings:
The first occurrence of ID “wrap” was here.
The first occurrence of ID “myTab” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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